Yuji Naka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Character communication device
- Patent number 7,664,536
- Issue date Feb 16, 2010
- Kabushiki Kaisha Sega
- Kei Nakajima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Character communication device
- Patent number 7,203,908
- Issue date Apr 10, 2007
- Kabushiki Kaisha Sega
- Kei Nakajima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game screen display control method and character movement control m...
- Patent number 6,697,068
- Issue date Feb 24, 2004
- Sega Corporation
- Takashi Iizuka
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game screen display control method and character movement control m...
- Patent number 6,377,264
- Issue date Apr 23, 2002
- Kabushiki Kaisha Sega Enterprises
- Takashi Iizuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing system, method thereof and memory cassette
- Patent number 5,941,775
- Issue date Aug 24, 1999
- Sega of America, Inc.
- Yuji Naka
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Character communication device
- Publication number 20060203009
- Publication date Sep 14, 2006
- Kabushiki Kaisha Sega.
- Kei Nakajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Game screen display control method and character movement control m...
- Publication number 20020075264
- Publication date Jun 20, 2002
- Sega Corporation
- Takashi Iizuka
- G06 - COMPUTING CALCULATING COUNTING